llvm-project/llvm/test/Transforms/InstCombine/realloc.ll

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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
declare i8* @realloc(i8*, i64) #1
declare noalias i8* @malloc(i64) #1
define i8* @realloc_null_ptr() #0 {
; CHECK-LABEL: @realloc_null_ptr(
; CHECK-NEXT: [[MALLOC:%.*]] = call i8* @malloc(i64 100)
; CHECK-NEXT: ret i8* [[MALLOC]]
;
%call = call i8* @realloc(i8* null, i64 100) #2
ret i8* %call
}
define i8* @realloc_unknown_ptr(i8* %ptr) #0 {
; CHECK-LABEL: @realloc_unknown_ptr(
; CHECK-NEXT: [[CALL:%.*]] = call i8* @realloc(i8* [[PTR:%.*]], i64 100)
; CHECK-NEXT: ret i8* [[CALL]]
;
%call = call i8* @realloc(i8* %ptr, i64 100) #2
ret i8* %call
}